Allen-Bradley 1756-OB16E Discrete Output Module

The Allen-Bradley 1756-OB16E functions as a high-performance discrete output solution for the ControlLogix platform. This module effectively drives 24VDC industrial devices. It manages components such as solenoid actuators, relay coils, and indicator lamps. Furthermore, the unit features sixteen independent output channels. These channels occupy two isolated groups of eight points each. This architecture allows for diverse wiring strategies in complex automation systems. The module integrates perfectly with both local and distributed I/O racks.

Enhanced Electronic Protection

Integrated electronic fusing distinguishes the 1756-OB16E from standard digital output modules. This feature provides advanced protection against short circuits and overcurrent conditions. Specifically, the module monitors each group to prevent hardware damage during field faults. The unit supports a continuous current of 1A per channel at 60°C. Additionally, it handles repetitive surge currents up to 2A for 10 milliseconds. This capability is essential for managing high-inrush inductive loads. Consequently, users experience increased system uptime and reduced maintenance requirements.

Technical Precision and Environmental Durability

Speed and efficiency remain core attributes of this ControlLogix component. The module delivers rapid response times with a nominal on/off delay of only 70 microseconds. Moreover, the hardware maintains low power dissipation of 4.1W during full operation. It operates reliably in environments ranging from 0°C to 60°C. The 1756-OB16E also withstands significant electrical stress. It carries a continuous isolation voltage rating of 250V. These robust specifications ensure long-term stability in demanding manufacturing sectors.

Technical Specifications